“Extension” - is the extension of the telephone line (PBX) or the Centrex system. It works as an association and allows calling to certain telephone sets without the necessity of dialing the telephone number, but only by dialing a short combination of digits, reaching the desired subscriber.
NTEL (Naujasis Telefonas) is an international telephony service provider in Lithuania.NTEL offers you an opportunity to call abroad at special rates which are lower than using fixed telephony or mobile network.